Question 1
Is Evelyn the sister of Mateo?
(1) Evelyn is female and child of Deepa.
(2) Mateo is child of Deepa.
Statement 1 tells us Evelyn is female and child of Deepa. Statement 2 tells us Mateo is child of Deepa. Together they confirm Evelyn and Mateo share parent Deepa and Evelyn is female, so Evelyn is the sister of Mateo.